さよなら

Recording by 布施明.

Recording identifiers

ISRC
JPPO00851150
CopyrightID (CopyrightChains transaction hash)
0x2712837d6874d14b1afb8e3cfea13ac444f0eb646b747a08a45bd756fe982651
Copyright registration time
2026-07-07T00:30:14+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:a504a01b0d0512393cea62dfcd5dd6e2c230ded04bca5d5478c294ef1d481683

What this proof establishes

This recording belongs to ProofProfile's historical evidence base derived from the pre-2022 AcousticBrainz and MusicBrainz corpus. ISRC is the stable recording-level bridge from that source corpus to the authoritative cc-db-prod track record.

CopyrightChains and Bitcoin OpenTimestamps make the exact committed record independently verifiable today. The cryptographic proof does not by itself establish authorship or ownership of the underlying recording.

Read the complete pre-generative-AI provenance and verification method.